Class SelectionCellsHandler

An event handler that manages cell handlers and invokes their mouse event processing functions.

Group: Events

Event: mxEvent.ADD

Fires if a cell has been added to the selection. The state property contains the that has been added.

Event: mxEvent.REMOVE

Fires if a cell has been remove from the selection. The state property contains the that has been removed.

Hierarchy (view full)

Implements

Constructors

Properties

enabled: boolean = true

Specifies if events are handled. Default is true.

eventListeners: EventListenerObject[] = []

Holds the event names and associated listeners in an array. The array contains the event name followed by the respective listener for each registered listener.

eventsEnabled: boolean = true

Specifies if events can be fired. Default is true.

eventSource: null | EventTarget = null

Optional source for events. Default is null.

graph: Graph

Reference to the enclosing Graph.

Dictionary that maps from cells to handlers.

maxHandlers: number = 100

Defines the maximum number of handlers to paint individually. Default is 100.

refreshHandler: ((sender: EventSource, evt: EventObject) => void)

Keeps a reference to an event listener for later removal.

pluginId: string = 'SelectionCellsHandler'

Methods

  • Binds the specified function to the given event name. If no event name is given, then the listener is registered for all events.

    The parameters of the listener are the sender and an EventObject.

    Parameters

    • name: string
    • funct: Function

    Returns void

  • Dispatches the given event to the listeners which are registered for the event. The sender argument is optional. The current execution scope ("this") is used for the listener invocation (see Utils#bind).

    Example:

    fireEvent(new mxEventObject("eventName", key1, val1, .., keyN, valN))
    

    Parameters

    • evt: EventObject

      EventObject that represents the event.

    • sender: null | EventTarget = null

      Optional sender to be passed to the listener. Default value is the return value of .

    Returns void